12 months warranty Model:Xtreme 4 ~ IP67 dust-proof & water-proof rating, Brand new Bluetooth official AURACAST technology Extremely fast charging and long battery life Multiple units connected in series ~ Speaker unit:2x70mm woofer/2×2.75", 2×20mm tweeter/2×0.75" Output Power:2 x 30 W RMS woofer + 2 x 20 W RMS tweeter (AC powered mode) 2x 20 W RMS woofer + 2 x 15W RMS tweeter (battery powered mode) Power input: 5V/ 9V/ 12V / 15 V/ 20 V, 3A Frequency response: 45Hz-20kHz Signal to noise ratio:>80dB Battery Type: Li-ion polymer 68Wh Battery charging time: 3.5 hours (20 V/3 A) Product Size:297 x 149 x 191 mm Product Weight: 2.1kg Accessories Included: Xtreme 4 x1, PD adaptor x1 ~ JBL-Parallel Import - Return and refund are not accept. - Free shipping to HK/Macau when spending over $500 onwards - China and Taiwan area shipping fee $130 - Two business day shipping. Sent via SF express / JD Logistics/ Kerry courier - Exchange of defective units purchased in 7 days - 12 months warranty ~ *Photo for reference only